21042945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6073}}^1$

素因数の和:6102

約数の個数: 48

約数和(自身を含む): 45482112

約数和(自身を除く): 24439167

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 6073, 18219, 30365, 42511, 54657, 66803, 91095, 127533, 200409, 212555, 273285, 334015, 382599, 467621, 601227, 637665, 1002045, 1402863, 1912995, 2338105, 3006135, 4208589, 7014315, 21042945]

約数ペア:

[(1, 21042945), (3, 7014315), (5, 4208589), (7, 3006135), (9, 2338105), (11, 1912995), (15, 1402863), (21, 1002045), (33, 637665), (35, 601227), (45, 467621), (55, 382599), (63, 334015), (77, 273285), (99, 212555), (105, 200409), (165, 127533), (231, 91095), (315, 66803), (385, 54657), (495, 42511), (693, 30365), (1155, 18219), (3465, 6073)]